The Actual Definition of Muscle Tone. Muscle tone, also known as muscle tonus or residual muscle tension, is an unconscious low level contraction of your muscles while they are at rest. Essentially, muscle tone is what makes your muscles still feel somewhat firm while you are resting and not intentionally tensing them.
Everyone experiences abdominal pain from time to time. Other terms used to describe abdominal pain are stomachache, tummy ache, gut ache and bellyache. Abdominal pain can be mild or severe. It may be continuous or come and go. Abdominal pain can be short-lived (acute) or occur over weeks and months (chronic).
The abdomen is that part of your body which is below your ribs and above your hips. Some people call it the tummy, trunk, belly or gut. When you have a pain in that area doctors will call it abdominal pain. However, other popular terms for abdominal pain include tummy pain, tummy ache, stomach ache, stomach pain, gut ache, belly ache and gut rot. Usually, pain that you feel here will be caused by a problem in your gut.